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[QUOTE=&quot;kulplander9, post: 234310&quot;]I have a Samsung(UN5MU8500FXZA) Smart UHD 4k TV, Everything worked fine until I had an outage about a month ago. Since the outage, I have had Blackscreen with Xfinity.&nbsp; I have:Restarted my box over 20 TimesDone Multiple System updatesMade sure my TV had updatesGot a new cable boxHad a tech outThe Xfinity Service works with other (old TV's), that i bring outThe Tech told me it was a handshake issuewe got it working for 1 day( until I turned hte TV off)It has been blackscreen since thenother devices and appss still work including (other HDMI sources as well)Everythingg but XfinityI have seen these issues in other forums back in 2018 &amp; 2019Does anyone know what can mix this?&quot;BlackScreen Feb 2021 - Since Outage - Handshake Issue?,&quot; is about XFinity-Comcast Television.For other news regarding BlackScreen Feb 2021 - Since Outage - Handshake Issue?, and XFinity - Comcast Television, see our recommended stories below.[/QUOTE]

[QUOTE="kulplander9, post: 234310"]I have a Samsung(UN5MU8500FXZA) Smart UHD 4k TV, Everything worked fine until I had an outage about a month ago. Since the outage, I have had Blackscreen with Xfinity. I have: Restarted my box over 20 Times Done Multiple System updates Made sure my TV had updates Got a new cable box Had a tech out The Xfinity Service works with other (old TV's), that i bring out The Tech told me it was a handshake issue we got it working for 1 day( until I turned hte TV off) It has been blackscreen since then other devices and appss still work including (other HDMI sources as well) Everythingg but Xfinity I have seen these issues in other forums back in 2018 & 2019 Does anyone know what can mix this? "BlackScreen Feb 2021 - Since Outage - Handshake Issue?," is about XFinity-Comcast Television. For other news regarding BlackScreen Feb 2021 - Since Outage - Handshake Issue?, and XFinity - Comcast Television, see our recommended stories below.[/QUOTE]

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